Chemical Engineering Basics
Materials having __________ lattice structure are usually the most ductile.

None of these
Body centred cubic (bcc)
Hexagonal close packed (hcp)
Face centred cubic (fcc)

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Chemical Engineering Basics
The emf of a Deniell cell Zn | Zn²⁺ || Cu²⁺ | Cu can be increased by

Increasing the surface area of the electrodes
Increasing the concentration of copper sulphate solution
Increasing the concentration of zinc sulphate solution
Decreasing the surface area of the electrodes

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